package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApCollectionBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.CollectionBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @authar by xiecong
 * @Date 2022/3/10
 * @Description
 */
@Service
public class ApCollectionBehaviorServiceImpl implements ApCollectionBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;

    /**
     * 收藏 取消收藏
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult collectBehavior(CollectionBehaviorDTO dto) {
        //1. 校验参数 需要登录 文章id不能null  操作类型 0 或 1
        ApUser apUser = AppThreadLocalUtils.getUser();
        if (apUser == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "请先登陆");
        }
        //2.根据userId查询行为实体数据
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(apUser.getId(), null);
        if (apBehaviorEntry == null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST, "行为实体数据不存在");
        }
        Query query = Query.query(Criteria
                .where("entryId").is(apBehaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));
        //3.如果是收藏操作 判断是否已经收藏
        if (dto.getOperation().intValue() == 0) {
            ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
            //如果已收藏,返回
            if (apCollection != null) {
                CustException.cust(AppHttpCodeEnum.DATA_EXIST, "已收藏该文章");
            }
            //4.如果未收藏 新增收藏行为
            apCollection = ApCollection.builder()
                    .articleId(dto.getArticleId())
                    .collectionTime(new Date())
                    .entryId(apBehaviorEntry.getId())
                    .type((short)0)
                    .build();
            mongoTemplate.save(apCollection);
        } else {
            //5.如果是取消收藏操作  删除收藏行为
            mongoTemplate.remove(query, ApCollection.class);
        }
        return ResponseResult.okResult();
    }
}
